Ten arrests have been made after four properties were raided in a major police operation against county lines drug dealers.

A significant amount of drugs, weapons and cash were seized by Humberside Police, supported by officers from the National Crime Agency.

Addresses on Grimsby Road and Blundell Avenue in Cleethorpes and Calvi Court in Grimsby were targeted, along with a property in the Market Rasen area.

Six men and four women were arrested on suspicion of drugs offences linked to county lines dealing, where gangs from major cities aim to build new drugs markets in smaller areas. One of the men was also arrested on suspicion of human trafficking offences.

The drugs seized are suspected to be heroin, while weapons including guns and knives were also recovered.

Seven of the 10 people have been bailed while enquiries continue, with the other three remaining in custody this evening.

Detective Inspector Phil Booker, from the Humberside Police Organised Crime Team, said: "These warrants are another piece in the long-term investigation, led by Humberside Police, into suspected human trafficking and the supply of Class A drugs in Grimsby.

"My officers, working in partnership with our colleagues from the National Crime Agency (NCA), carried out simultaneous strikes at multiple addresses in Grimsby and one near Market Rasen .

"We also arrested 10 people and recovered numerous weapons as well as what we believe to be a significant amount of class A drugs and cash.

"We know the impact that drugs and the associated crime and antisocial behaviour has on our communities and we won't stand for it.

"That's why my team are dedicated to finding, arresting and charging those we believe to be responsible for bringing drugs into our communities and exploiting vulnerable people to make money for themselves."

Class A drugs believed to be heroin were discovered by police in the raids (Image: Humberside Police)

Detective Inspector Booker urged people who suspect drug-related crime to be happening in their area to report it to police.

He said: "By telling us what you know about drug-related crime in your area, you can help us gather the evidence we need to continue to target the people behind it and take action against them.

"You might not see the results straight away but rest assured that the information you give us is thoroughly investigated and is often vital in putting together successful operations that will really help us to keep our streets safe."

Anyone with information is asked to call Humberside Police on 101 or alternatively, contact Crimestoppers anonymously on 0800 555111.

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